graph TD
A[监控指标] --> B[基础计数器]
A --> C[响应时间分布]
A --> D[异常统计]
B --> B1[总请求数]
B --> B2[成功数]
B --> B3[失败数]
B --> B4[重试次数]
B --> B5[熔断触发次数]
C --> C1[P50]
C --> C2[P90]
C --> C3[P99]
D --> D1[异常类型]
D --> D2[发生次数]